The perfect height for day to night.And you thought you'd never find the perfect open-toed platform heel. From its delicate ankle strap and microsuede upper, to its block heel and platform sole, the Theresa Platform Sandal is a modern classic that will stand the test of time and continue to be your go-to whenever you want the longest legs imaginable. By Chinese Laundry. Microsuede Upper. Manmade Materials Throughout. 3.75" Heel. 1.25" Platform.